454 Mr. John Scott on certain 



stigma elongate ; radius terminating in or near the apex ; 

 cubitus petiolate ; upper furcation long, narrow, equal to 

 at least one-third the length of the elytron ; arm of the 

 lower furcation shorter than the petiole ; lower furcation 

 elongate ; distance between the apices of the branches 

 greater than that of the upper furcation. Abdomen 

 more or less obese. 



Pliytolyma lata. (PL XVIII., figs. 4—4/). 



Psylla? lata, Walker, List Horn., B. M., part 4, 

 p. 294. 



Viridula. Caput fere in perpendiculum deflexum. 

 Vertex oblongus, transversus, flavidus, punctulatissimus ; 

 longitudo ejus media dimidio inter oculos spatio major ; 

 margo posterior angulatus, anterior bilobus ; discus prope 

 basin utrinque fovea in commatis formam impressa. Lobi 

 faciales perbreves, sublunati, pallide flavido-albi. An- 

 tennae breves, clavatie, pallide flavescentes ; articulus 

 primus cteteris crassior, duplo et dimidio longior quam 

 secundus ; tertius, quartus, sextus subsequales ; quintus 

 tertio triente brevior ; septimus tenuis, cylindricus, sexto 

 fere sequalis ; octavus late ovatus ; nonus pateriformis ; 

 decimus minutus ; articulis tres apicales nigri. Oculi 

 laterales ; desuper conspecti globoso-trianguli ; a fronte 

 visi paene semiglobosi. Thorax : pronotum virescens, 

 capiti una cum oculis latitudine gequale ; latitudo ejus 

 media verticis latitudini dimidi^e fere aequalis ; margo 

 anterior convexiusculus, posterior vix nisi rectus ; discus 

 foveola media, binisque utrinque lateralibus, quarum in- 

 teriores in eadem linea cum oculorum margine interno 

 jacent ; mesonotum in longitudinem planiusculum, trans- 

 verse convexiusculum, apud elytrorum insertionem latis- 

 simum ; dorsulum transversum, semisexangulum, viride, 

 margine antico anguste rufo-fusco ; spatium centrale 

 rufo-fuscum, antice viride. Elytra clare pellucida, trans- 

 verse rugulosa ; longitudo quadrante minor quam lati- 

 tudo triplex ; nervi albi, maculis elongatis, nigris, in- 

 fequalibus, obsessi ; stigma costae pai'tem basalem longi- 

 tudine fere adaequans ; radius productus, apice ipso ter- 

 minatus ; cubitis petiolus furcae superioris brachii longi- 

 tudini dimidiee fere aequalis ; furca superior elongata, 

 angusta ; longitudo ejus media elytri triente paulo major ; 

 furcae inferioris brachium petiolo dimidiato brevius ; 

 furca inferior elongata ; ramus superior sinuatus, in- 



